/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:24:46,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:24:46,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:24:46,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:24:46,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:24:46,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:24:46,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:24:46,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:24:46,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:24:46,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:24:46,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:24:46,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:24:46,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:24:46,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:24:46,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:24:46,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:24:46,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:24:46,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:24:46,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:24:46,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:24:46,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:24:46,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:24:46,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:24:46,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:24:46,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:24:46,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:24:46,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:24:46,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:24:46,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:24:46,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:24:46,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:24:46,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:24:46,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:24:46,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:24:46,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:24:46,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:24:46,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:24:46,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:24:46,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:24:46,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:24:46,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:24:46,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:24:46,645 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:24:46,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:24:46,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:24:46,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:24:46,648 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:24:46,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:24:46,649 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:24:46,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:24:46,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:24:46,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:24:46,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:24:46,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:24:46,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:24:46,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:24:46,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:24:46,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:24:46,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:24:46,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:24:46,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:24:46,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:24:46,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:24:46,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:46,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:24:46,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:24:46,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:24:46,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:24:46,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:24:46,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:24:46,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:24:46,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:24:47,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:24:47,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:24:47,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:24:47,175 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:24:47,177 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:24:47,178 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2020-09-21 11:24:47,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bc3aa1a8/7725773ea43e45eaa581287e1be21fad/FLAG7a666311e [2020-09-21 11:24:47,922 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:24:47,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2020-09-21 11:24:47,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bc3aa1a8/7725773ea43e45eaa581287e1be21fad/FLAG7a666311e [2020-09-21 11:24:48,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bc3aa1a8/7725773ea43e45eaa581287e1be21fad [2020-09-21 11:24:48,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:24:48,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:24:48,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:48,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:24:48,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:24:48,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:48" (1/1) ... [2020-09-21 11:24:48,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdd0a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:48, skipping insertion in model container [2020-09-21 11:24:48,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:48" (1/1) ... [2020-09-21 11:24:48,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:24:48,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:24:48,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:48,775 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:24:48,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:49,004 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:24:49,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49 WrapperNode [2020-09-21 11:24:49,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:49,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:24:49,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:24:49,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:24:49,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... [2020-09-21 11:24:49,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... [2020-09-21 11:24:49,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... [2020-09-21 11:24:49,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... [2020-09-21 11:24:49,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... [2020-09-21 11:24:49,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... [2020-09-21 11:24:49,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... [2020-09-21 11:24:49,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:24:49,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:24:49,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:24:49,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:24:49,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:24:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:24:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:24:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:24:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:24:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:24:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:24:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:24:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:24:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:24:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:24:50,343 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:24:50,344 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:24:50,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:50 BoogieIcfgContainer [2020-09-21 11:24:50,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:24:50,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:24:50,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:24:50,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:24:50,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:24:48" (1/3) ... [2020-09-21 11:24:50,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a73325b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:50, skipping insertion in model container [2020-09-21 11:24:50,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:49" (2/3) ... [2020-09-21 11:24:50,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a73325b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:50, skipping insertion in model container [2020-09-21 11:24:50,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:50" (3/3) ... [2020-09-21 11:24:50,361 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label19.c [2020-09-21 11:24:50,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:24:50,384 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:24:50,408 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:24:50,442 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:24:50,442 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:24:50,442 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:24:50,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:24:50,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:24:50,443 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:24:50,443 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:24:50,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:24:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 11:24:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-21 11:24:50,481 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:50,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:50,483 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:50,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:50,491 INFO L82 PathProgramCache]: Analyzing trace with hash -940773154, now seen corresponding path program 1 times [2020-09-21 11:24:50,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:50,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637118348] [2020-09-21 11:24:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 11:24:50,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:24:50,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:24:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:51,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:51,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:24:51,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:51,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:51,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637118348] [2020-09-21 11:24:51,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:51,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:24:51,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41741734] [2020-09-21 11:24:51,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:51,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:51,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:51,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:51,320 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-21 11:24:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:52,806 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-09-21 11:24:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:24:52,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-09-21 11:24:52,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:52,827 INFO L225 Difference]: With dead ends: 557 [2020-09-21 11:24:52,827 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 11:24:52,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:24:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 11:24:52,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-21 11:24:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-21 11:24:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-09-21 11:24:52,919 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 92 [2020-09-21 11:24:52,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:52,920 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-09-21 11:24:52,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:24:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-09-21 11:24:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-09-21 11:24:52,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:52,926 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:52,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:24:52,927 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:52,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1800022917, now seen corresponding path program 1 times [2020-09-21 11:24:52,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:52,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106067868] [2020-09-21 11:24:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:52,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:52,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:52,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:52,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:52,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:24:52,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:52,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:24:52,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:52,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:52,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:52,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:24:52,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:53,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:53,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:53,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:53,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:53,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:53,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:53,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:53,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:53,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:53,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:53,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:53,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:53,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:53,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:53,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:53,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:24:53,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:53,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:53,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106067868] [2020-09-21 11:24:53,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:53,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:24:53,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578860265] [2020-09-21 11:24:53,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:24:53,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:53,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:24:53,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:24:53,190 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-09-21 11:24:55,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:55,244 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2020-09-21 11:24:55,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:24:55,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2020-09-21 11:24:55,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:55,257 INFO L225 Difference]: With dead ends: 987 [2020-09-21 11:24:55,258 INFO L226 Difference]: Without dead ends: 713 [2020-09-21 11:24:55,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:24:55,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-09-21 11:24:55,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2020-09-21 11:24:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-09-21 11:24:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 978 transitions. [2020-09-21 11:24:55,339 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 978 transitions. Word has length 101 [2020-09-21 11:24:55,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:55,341 INFO L479 AbstractCegarLoop]: Abstraction has 699 states and 978 transitions. [2020-09-21 11:24:55,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:24:55,341 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 978 transitions. [2020-09-21 11:24:55,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-21 11:24:55,354 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:55,354 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:55,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:24:55,357 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:55,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash -211877082, now seen corresponding path program 1 times [2020-09-21 11:24:55,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:55,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001755838] [2020-09-21 11:24:55,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:24:55,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:24:55,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:55,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:24:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:24:55,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:55,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:55,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:55,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:55,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:24:55,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:55,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:55,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:24:55,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:24:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:55,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:24:55,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:55,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:55,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:24:55,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001755838] [2020-09-21 11:24:55,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:55,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:55,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700463680] [2020-09-21 11:24:55,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:55,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:55,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:55,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:55,684 INFO L87 Difference]: Start difference. First operand 699 states and 978 transitions. Second operand 7 states. [2020-09-21 11:24:57,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:57,095 INFO L93 Difference]: Finished difference Result 1692 states and 2446 transitions. [2020-09-21 11:24:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:24:57,097 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2020-09-21 11:24:57,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:57,106 INFO L225 Difference]: With dead ends: 1692 [2020-09-21 11:24:57,106 INFO L226 Difference]: Without dead ends: 999 [2020-09-21 11:24:57,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:24:57,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-09-21 11:24:57,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 838. [2020-09-21 11:24:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-09-21 11:24:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1174 transitions. [2020-09-21 11:24:57,152 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1174 transitions. Word has length 126 [2020-09-21 11:24:57,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:57,152 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 1174 transitions. [2020-09-21 11:24:57,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1174 transitions. [2020-09-21 11:24:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-09-21 11:24:57,155 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:57,156 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:57,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:24:57,156 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:57,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:57,157 INFO L82 PathProgramCache]: Analyzing trace with hash 786072750, now seen corresponding path program 1 times [2020-09-21 11:24:57,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:57,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805322836] [2020-09-21 11:24:57,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:57,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:57,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:57,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:57,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:24:57,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:57,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:24:57,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 11:24:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:24:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:57,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:57,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:57,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:57,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:57,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:57,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:57,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:57,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:57,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:57,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:57,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:57,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:57,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:57,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:57,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:57,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:57,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:24:57,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:24:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:57,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:57,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:57,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:57,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:57,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:57,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:57,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:24:57,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:57,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:57,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:57,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:57,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:57,470 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:24:57,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805322836] [2020-09-21 11:24:57,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:57,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:57,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226192107] [2020-09-21 11:24:57,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:57,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:57,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:57,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:57,473 INFO L87 Difference]: Start difference. First operand 838 states and 1174 transitions. Second operand 7 states. [2020-09-21 11:24:58,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:58,877 INFO L93 Difference]: Finished difference Result 2117 states and 3037 transitions. [2020-09-21 11:24:58,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:24:58,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 130 [2020-09-21 11:24:58,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:58,886 INFO L225 Difference]: With dead ends: 2117 [2020-09-21 11:24:58,886 INFO L226 Difference]: Without dead ends: 1285 [2020-09-21 11:24:58,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:24:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-09-21 11:24:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 860. [2020-09-21 11:24:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-09-21 11:24:58,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1157 transitions. [2020-09-21 11:24:58,973 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1157 transitions. Word has length 130 [2020-09-21 11:24:58,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:58,974 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 1157 transitions. [2020-09-21 11:24:58,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1157 transitions. [2020-09-21 11:24:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-21 11:24:58,978 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:58,978 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:58,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:24:58,978 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:58,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:58,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1246943835, now seen corresponding path program 1 times [2020-09-21 11:24:58,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:58,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935867660] [2020-09-21 11:24:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:59,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:24:59,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -31 [2020-09-21 11:24:59,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 31 [2020-09-21 11:24:59,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:59,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-21 11:24:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:24:59,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-21 11:24:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:24:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:59,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:59,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:59,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:59,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:59,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:59,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:59,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:59,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:59,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:59,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:59,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:59,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:59,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:59,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:59,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:59,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:59,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:59,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:59,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:59,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:59,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:24:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:59,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:59,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:59,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:59,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:59,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:24:59,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:59,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:59,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:24:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:59,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:59,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:59,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:59,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:59,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:59,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:59,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:24:59,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:59,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:59,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:24:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 11:24:59,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935867660] [2020-09-21 11:24:59,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:59,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:59,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831113688] [2020-09-21 11:24:59,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:59,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:59,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:59,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:59,351 INFO L87 Difference]: Start difference. First operand 860 states and 1157 transitions. Second operand 7 states. [2020-09-21 11:25:01,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:01,230 INFO L93 Difference]: Finished difference Result 2320 states and 3302 transitions. [2020-09-21 11:25:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:25:01,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 159 [2020-09-21 11:25:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:01,248 INFO L225 Difference]: With dead ends: 2320 [2020-09-21 11:25:01,248 INFO L226 Difference]: Without dead ends: 1466 [2020-09-21 11:25:01,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:25:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2020-09-21 11:25:01,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1418. [2020-09-21 11:25:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1418 states. [2020-09-21 11:25:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1805 transitions. [2020-09-21 11:25:01,339 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1805 transitions. Word has length 159 [2020-09-21 11:25:01,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:01,340 INFO L479 AbstractCegarLoop]: Abstraction has 1418 states and 1805 transitions. [2020-09-21 11:25:01,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:01,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1805 transitions. [2020-09-21 11:25:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-21 11:25:01,349 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:01,350 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:01,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:25:01,350 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:01,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:01,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1463537539, now seen corresponding path program 1 times [2020-09-21 11:25:01,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:01,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440818185] [2020-09-21 11:25:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:01,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:01,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:01,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:01,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:01,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-21 11:25:01,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:01,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 11:25:01,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:25:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 11:25:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-21 11:25:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:01,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:01,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:01,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:01,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:01,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:01,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:01,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:01,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:01,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:01,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:01,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:01,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:01,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:01,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:01,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:25:01,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:01,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:25:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:01,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:25:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:01,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:01,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:01,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:01,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:01,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:25:01,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:01,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:25:01,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:01,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:25:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:01,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:01,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:01,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:01,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:01,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:25:01,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:01,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:25:01,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-09-21 11:25:01,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440818185] [2020-09-21 11:25:01,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:01,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:01,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998037862] [2020-09-21 11:25:01,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:01,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:01,887 INFO L87 Difference]: Start difference. First operand 1418 states and 1805 transitions. Second operand 5 states. [2020-09-21 11:25:03,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:03,002 INFO L93 Difference]: Finished difference Result 3380 states and 4275 transitions. [2020-09-21 11:25:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:03,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2020-09-21 11:25:03,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:03,005 INFO L225 Difference]: With dead ends: 3380 [2020-09-21 11:25:03,006 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:25:03,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:03,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:25:03,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:25:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:25:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:25:03,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-09-21 11:25:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:03,012 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:25:03,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:25:03,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:25:03,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:25:03,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:25:04,000 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2020-09-21 11:25:04,208 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2020-09-21 11:25:04,672 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2020-09-21 11:25:04,864 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:04,865 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 11:25:04,865 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:04,865 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 11:25:04,865 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 11:25:04,865 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,865 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,866 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,866 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,866 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,866 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,867 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 11:25:04,867 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 11:25:04,867 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 11:25:04,867 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 11:25:04,867 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 11:25:04,868 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:25:04,868 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 11:25:04,868 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 11:25:04,868 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 11:25:04,869 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 11:25:04,869 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,869 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,869 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,869 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,869 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,870 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,870 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 11:25:04,870 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 11:25:04,870 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 11:25:04,870 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 11:25:04,870 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 11:25:04,871 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 11:25:04,871 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 11:25:04,871 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 11:25:04,871 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 11:25:04,871 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 11:25:04,871 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 11:25:04,872 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2020-09-21 11:25:04,872 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 11:25:04,872 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 11:25:04,872 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 11:25:04,872 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 11:25:04,872 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,872 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,873 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,873 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,873 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,873 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 11:25:04,873 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 11:25:04,873 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 11:25:04,873 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 11:25:04,874 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 11:25:04,874 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 11:25:04,874 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 11:25:04,874 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 11:25:04,874 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 11:25:04,874 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,875 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,875 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,875 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,875 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,875 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 11:25:04,875 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 11:25:04,875 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 11:25:04,876 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 11:25:04,876 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 11:25:04,876 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 11:25:04,876 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 11:25:04,876 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 11:25:04,876 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 11:25:04,876 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 11:25:04,877 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 11:25:04,877 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 11:25:04,877 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 11:25:04,877 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,877 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,877 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,877 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,878 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,878 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 11:25:04,878 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 11:25:04,878 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 11:25:04,878 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 11:25:04,878 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 11:25:04,878 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 11:25:04,879 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 11:25:04,879 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 11:25:04,879 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 11:25:04,879 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,879 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,879 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,879 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,880 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,880 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,880 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 11:25:04,880 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,880 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 11:25:04,880 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 11:25:04,880 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 11:25:04,881 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 11:25:04,882 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 11:25:04,882 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 11:25:04,882 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,882 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,882 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,882 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,882 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 11:25:04,883 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 11:25:04,884 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 11:25:04,885 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 11:25:04,885 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 11:25:04,885 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 11:25:04,885 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 11:25:04,885 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 11:25:04,885 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 11:25:04,885 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 11:25:04,886 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and (= ~a17~0 |old(~a17~0)|) .cse2 .cse3 .cse4 .cse5 .cse6)) (.cse1 (not (= |old(~a21~0)| 1)))) (and (or (not (<= |old(~a8~0)| 13)) .cse0) (or (not (<= 15 |old(~a8~0)|)) .cse0 .cse1) (or (not (<= |old(~a16~0)| 5)) .cse0 .cse1) (or (not (= |old(~a17~0)| 1)) (and .cse2 .cse3 .cse4 .cse5 .cse6 (= ~a17~0 1)) (not (= |old(~a20~0)| 1)) .cse1)))) [2020-09-21 11:25:04,886 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 11:25:04,886 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,886 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,886 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 11:25:04,887 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 11:25:04,888 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,889 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 11:25:04,890 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,891 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 11:25:04,892 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 11:25:04,893 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 11:25:04,893 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 11:25:04,893 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 11:25:04,893 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 11:25:04,893 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 11:25:04,893 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:04,893 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-09-21 11:25:04,894 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:25:04,894 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:04,894 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1))) [2020-09-21 11:25:04,894 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:04,894 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= ~a16~0 5)) (not (= |old(~a21~0)| 1)) (<= ~a8~0 13))) [2020-09-21 11:25:04,894 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 11:25:04,894 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 11:25:04,895 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= ~a16~0 5)) (not (= |old(~a21~0)| 1)) (<= ~a8~0 13))) [2020-09-21 11:25:04,895 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:04,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:25:04 BoogieIcfgContainer [2020-09-21 11:25:04,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:25:04,920 INFO L168 Benchmark]: Toolchain (without parser) took 16767.29 ms. Allocated memory was 145.2 MB in the beginning and 429.4 MB in the end (delta: 284.2 MB). Free memory was 99.3 MB in the beginning and 344.9 MB in the end (delta: -245.5 MB). Peak memory consumption was 301.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:04,921 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:25:04,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.36 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 98.6 MB in the beginning and 169.6 MB in the end (delta: -70.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:04,923 INFO L168 Benchmark]: Boogie Preprocessor took 124.95 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 164.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:04,924 INFO L168 Benchmark]: RCFGBuilder took 1219.95 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 164.5 MB in the beginning and 179.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:04,925 INFO L168 Benchmark]: TraceAbstraction took 14566.09 ms. Allocated memory was 233.8 MB in the beginning and 429.4 MB in the end (delta: 195.6 MB). Free memory was 177.6 MB in the beginning and 344.9 MB in the end (delta: -167.3 MB). Peak memory consumption was 291.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:04,930 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 845.36 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 98.6 MB in the beginning and 169.6 MB in the end (delta: -70.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.95 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 164.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.95 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 164.5 MB in the beginning and 179.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14566.09 ms. Allocated memory was 233.8 MB in the beginning and 429.4 MB in the end (delta: 195.6 MB). Free memory was 177.6 MB in the beginning and 344.9 MB in the end (delta: -167.3 MB). Peak memory consumption was 291.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((!(\old(a17) == 1) || (a21 == 1 && 15 <= a8)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || (a21 == 1 && a16 <= 5)) || !(\old(a21) == 1)) || a8 <= 13 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 166 SDtfs, 2775 SDslu, 234 SDs, 0 SdLazy, 4764 SolverSat, 1081 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1418occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 654 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 50 PreInvPairs, 78 NumberOfFragments, 304 HoareAnnotationTreeSize, 50 FomulaSimplifications, 54844 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1666 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 787 NumberOfCodeBlocks, 787 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 781 ConstructedInterpolants, 0 QuantifiedInterpolants, 312165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 325/334 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...